Heating – Work feeding – agitating – discharging or conveying... – Having closure or seal for work feeder's entrance passage
Patent
1992-08-27
1994-12-06
Yuen, Henry C.
Heating
Work feeding, agitating, discharging or conveying...
Having closure or seal for work feeder's entrance passage
432 59, 432128, F27D 118
Patent
active
053705319
ABSTRACT:
An atmospheric oven containing an atmospheric gas kept at a predetermined purity and accommodates a transporting means for transport an object to be heated along a predetermined transporting path. A includes a cylindrical portion for preventing the gas from flowing outside the oven, extends in a certain length from an entrance of the oven and an exit of the oven and has a sectional area necessary for passing the object through the portion.
REFERENCES:
patent: 4753777 (1988-06-01), Yoshinari et al.
patent: 4790749 (1988-12-01), Mauro
patent: 5172849 (1992-12-01), Barten et al.
patent: 5193996 (1983-03-01), Mullen
Kumagai Koichi
Shimazaki Shinji
Tsurumi Koichi
Matsushita Electric - Industrial Co., Ltd.
Yuen Henry C.
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